conflict. allie rasmus shows us the place where veterans and civilians alike reflected. >> reporter: the crosses sprung up after the start of the iraq war. over time the panels became canvases. decorated with personal messages for the slain service members. >> how can you not look at that hillside and remember and feel sad. >> each one of those people were a husband, a wife, a son, a mother, a father. >> reporter: today the federal building was the site of a memorial and protest. scott olsen who was critically injured in an occupy oakland spoke out against the war and his two tours of duty. >> eight of the marines in our battalion did not make it home. i did not see a liberated iraq. i saw an occupation.